From Longman Dictionary of Contemporary Englishgrow into somebody/something phrasal verb1 BECOMEto develop over time and become a particular kind of person or thing Sue grew into a lovely young woman. The two-part show has grown into a full-fledged series.2 LEARNto gradually learn how to do a job or deal with a situation successfully She will grow into her new role over the next few months.3 FIT/BE THE RIGHT SIZEif a child grows into clothes, he or she becomes big enough to wear them → grow→ See Verb table
Examples from the Corpus
grow into • A coalition of the young and old might, from even the most tentative beginnings, grow into a formidable force.• Cigarette ends growing into a mound similar to a cairn over a dead hero.• Inside a decade it grew into a national organization with an affluent governing board and a Washington lobbying of lice.• She conveys Giselle's love for Albrecht with a tenderness that grows into an ache.• Read in studio A tiny wartime airfield that grew into Britain's biggest military airport now has its story recorded for posterity.• The gesture was both intimate and impersonal and it reminded her of Maggie's physical friendship that never grew into love.• But soon the excitement grew into something unpleasant.• Dickensian child victims grow into upright citizens if they grow up at all. 